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- abnormal signal detection 信号奇异性检测
- Easy verification of signal detection by the indicator. 通过指示器非常方便检测。
- The results of simulation and test in gearwheel fault diagnosis prove that Time-Frequency analysis can reduce noise and detect weak abnormal signal effectively by designing reasonable kernel function. 仿真分析和齿轮早期故障检测实验证明,通过核函数的合理设计,能够有效滤除噪声,实现对机械设备早期故障产生的微弱异常振动信号的检测。
- Abnormal signal intensities were also seen in dentate nuclei (8/25, 32%) and upper cervical cord (6/25, 24%). 另外部份在小脑齿状核区(8/25,32%25)和上颈脊髓(6/25,24%25)也发现有高讯号病灶。
- Busy signal detected at remote site on callback. 在远程站点回拨时检测到了占线信号。
- We report 10 patients with acquired immunodeficiency syndrome(AIDS)whose MR imaging showed abnormal signal intensity in brain. 本文分析10例获得性免疫缺陷综合征(AIDS)的脑部MRI表现。
- There was also abnormal signal intensity of the thoracic and lumbar vertebrae at the same levels where the abnormal epidural tissue existed. 在与异常组织同水平的胸腰椎体内也发现了异常信号。
- Decomposing the new data set by EMD method again,a set of new IMFs is obtained,which is quite different than the one with abnormal signal. 将滤除了异常干扰的数据再次进行 EMD分解 ,可以得到新的 IMF系列 ,而它与不加校正的分解结果有相当大的差别 ,可靠地反映了真实物理过程。
- The applications of a photon counter in a signal detection system of a compact Mie Scattering Lidar is described on this paper. 摘要介绍了光子计数器的结构、工作原理并对其进行了响应校准。
- Howeverwith MRI scanning 9 cases had abnormal signal change in medulla oblongata, 5 cases had abnormal signal change incerebellum, 2 cases had abnormal signal in basal ganglion. 发病72h内头部MRI检查,9例延髓有异常信号改变,5例小脑有异常信号改变,2例基底节区有异常信号改变。
- Establishment of quantitative signal detection system can greatly enhance the efficiency of ADR monitoring. 不良反应定量信号检测系统的建立可以极大地提高药品不良反应监测工作的效率。
- De-noisding by soft-thresholding is a new signal detection method in wavelet analysis. 摘要采用浮动阀值分离噪声是小波分析中一个新的信号检测方法。
- The implementation of signal detection algorithms used in WLAN (IEEE802.11) baseband system is proposed. 实现了针对WLAN(IEEE802.;11)系统的信号检测算法。
- Wideband Correlation Processing (WCP) is the base of wideband active signal detection. 宽带主动信号检测的基础是宽带相关处理。
- MRI demonstrated abnormal signals, thickness of optic nerve and white matter lesions in brain. mri可表现为视神经异常信号和视神经增粗,部分患者伴有脑白质异常。
- A new type of System-On-Chip (SOC) integrated with ISFET/REFET/PRE and their signal detection circuits is developed. 该文研究设计一种新型ISFET/REFET/PRE传感器与信号检测电路集成于一体的芯片系统。
- Nonlinear optical properties of stimulated Brillouin scattering (SBS) to signal detection in water are analyzed. 研究了水下物体测量中受激布里渊散射的非线性光学特性。
- A great deal of abnormal signal exists in radio cor respondence. It has important meaning that searching and finding this signal in radio monitor, but the abnormal signal is concealed by "sponge" collecting data, and is mixed up no ise. 无线电通信中存在大量异常信号,搜索和发现这些信号在无线电监测中具有重要的意义,然而这些异常信号隐藏在"海量"的采集数据中,并伴有大量噪声,难以有效发现。
- According to this idea, the method of signal detection based on hybrid wavelet transform (HWT ) is proposed. 根据这一思想,提出了基于混合小波的信号检测方法。
- Abnormal signals in basal ganglia of 4 patients of 129Met/Met homozygote occurred after 2.5 months averagely, they survived for 10.5 months at average. 4例甲硫氨酸纯合型 (12 9Met/Met)底节T2 异常信号发现时间平均 2 5个月 ,存活时间平均 10 5个月 ;